US8594204B2 - Method and device for basic and overlay video information transmission - Google Patents

Method and device for basic and overlay video information transmission Download PDF

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Publication number
US8594204B2
US8594204B2 US10/309,588 US30958802A US8594204B2 US 8594204 B2 US8594204 B2 US 8594204B2 US 30958802 A US30958802 A US 30958802A US 8594204 B2 US8594204 B2 US 8594204B2
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Prior art keywords
information
time
overlay
content
displayed
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Expired - Lifetime, expires
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US10/309,588
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US20030117529A1 (en
Inventor
Wiebe De Haan
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Koninklijke Philips NV
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Koninklijke Philips NV
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Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Priority to US10/309,588 priority Critical patent/US8594204B2/en
Publication of US20030117529A1 publication Critical patent/US20030117529A1/en
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Priority to US13/076,829 priority patent/US8588312B2/en
Priority to US14/089,169 priority patent/US20140092137A1/en
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/60—Editing figures and text; Combining figures or text
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
    • H04N5/9206—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code signal
    • H04N5/9208—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code signal involving the use of subcodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H04N9/8233—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a character code signal
    • H04N9/8244—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being a character code signal involving the use of subcodes

Definitions

  • the invention relates to a method of transmitting video information intended to be reproduced on a display via an information signal that represents the video information, the video information comprising basic information and overlay information related to the basic information.
  • the invention further relates to an information carrier on which an information signal is recorded, which signal represents video information intended to be reproduced on a display, which video information comprises basic information and overlay information related to the basic information.
  • the invention further relates to a device for receiving and a device for transmitting information to be used in the method.
  • Such a method, information carrier and device are known from WO 92/00647.
  • a video signal for which the basic information is analog video information is transferred via a laser disc.
  • Digitally encoded subtitle information is then recorded on the laser disc as overlay information separated from the video information in the sub-code of the digital audio signal.
  • this sub-code information is generated, the subtitle information is read from a file in which also the instant at which the text is to be shown is indicated.
  • the subtitles are then recorded in the audio signal sub-code that corresponds to this instant. On reproduction, the subtitles are displayed once they have been recovered from the sub-code.
  • a problem in the known method is that a subtitle displayed on a television screen stays there until a next subtitle is received, so that a subtitle may remain too long on the screen in the case of, for example, a change of scenes. This may particularly occur if the next subtitle is not received, for example, when trick modes of the laser disc, such as Fast Forward or Backward, are used.
  • a method of the type defined in the opening paragraph is thereto characterized in that the overlay information comprises time information which is indicative of a period of time during which the overlay information is to be displayed.
  • the method according to the invention is advantageous, for example, in that the overlay information may be shown on a television screen for any desired period of time. This provides that displaying the overlay information may be linked more with the basic information.
  • An embodiment for the method according to the invention is characterized in that the time information comprises a duration indicative of the duration reckoned from an instant at which the overlay information may appear on the display.
  • This embodiment is advantageous in that the given duration can be simply counted during display.
  • a further advantage is achieved in the Fast Forward or Fast Backward mode in which the overlay information can still be displayed for the original duration.
  • a further embodiment for the method according to the invention is characterized in that the basic information includes time codes indicative of a relative time of the basic information, and in that the time information includes a time of removal indicative of a relative instant after which the particular overlay information is to be removed from the display.
  • This embodiment is advantageous in that during reproduction the duration may be simply determined by comparing the time of removal with the running relative time. The moment a more advanced relative time is found, the overlay information is removed from the display.
  • a further embodiment for the method according to the invention is characterized in that the basic information comprises video information and the overlay information comprises graphics information.
  • This embodiment is advantageous in that the basic information is a moving image and the overlay information is a graphics picture optionally to be overlaid.
  • a further embodiment for the method according to the invention is characterized in that the overlay information comprises subtitle texts.
  • This embodiment is advantageous in that the subtitle texts can be optionally overlaid on the basic information.
  • a further embodiment for the method according to the invention is characterized in that the basic information comprises digital, compressed video information.
  • This embodiment is advantageous in that both the basic information and the overlay information may be transmitted in like manner, represented by digital symbols.
  • an information carrier of a type defined in the opening paragraph is thereto characterized in that the overlay information comprises time information which is indicative of a period of time during which the overlay information is to be displayed.
  • the information carrier according to the invention is advantageous, for example, in that the overlay information may be displayed on a television screen for the desired duration, irrespective of other information to be read subsequent to that particular overlay information.
  • the duration may be determined irrespective of the playing device.
  • a device comprising means for receiving an information signal of a type defined in the opening paragraph and combining means for generating a video signal representative of the basic information in combination with the overlay information, is thereto characterized in that the device comprises means for recovering the time information from the information signal and in that the combining means are arranged for displaying the overlay information as a function of the time information.
  • the device according to the invention is advantageous, for example, in that for the desired duration the overlay information can be combined with the basic information for displaying information on a television screen which information is irrespective of other information to be received subsequent to that particular overlay information.
  • a device comprising generator means for generating an information signal of a type defined in the opening paragraph and means for transmitting the information signal is characterized in that the device comprises means for generating the time information and the generator means are arranged for adding the time information to the overlay information.
  • the device according to the invention is advantageous, for example, in that during the transmission there may be determined how long the overlay information is to be displayed together with the basic information without the necessity of including information in the information signal at a later instant.
  • FIG. 1 shows a television screen displaying video information
  • FIG. 2 shows a system for transmitting video information
  • FIG. 3 shows a Table of duration-information
  • FIG. 4 shows an information carrier
  • FIG. 5 shows a device for receiving video information
  • FIG. 6 shows a device for reading an information carrier
  • FIG. 7 shows a device for transmitting video information
  • FIG. 8 shows a device for transmitting video information via information carriers.
  • FIG. 1 shows a television screen 1 on which video information is displayed.
  • This video information comprises basic information 2 displayed over the entire surface of the television screen as shown in FIG. 1 a .
  • the basic information 2 may be formed by moving images, such as film images or a television program.
  • the basic information may also comprise animations or still, photographic images.
  • FIG. 1 b shows the same basic information 2 on which graphics information 3 is displayed as overlay information.
  • the basic information 2 may remain the same in the background, whereas repeatedly new musical notes may be displayed as overlay information.
  • FIG. 1 c shows a subtitle text 4 as overlay information such as can be used for films.
  • the overlay information is combined with the basic information prior to transmission and this overlay information is transmitted along in each image of the basic information.
  • overlay information By transmitting the overlay information in a separate manner as is done, for example, in said WO 92/00647, more than one piece of overlay information can be transmitted along. The user may then choose, for example, from several languages, or omit the subtitles 4 entirely.
  • FIG. 2 shows a system for video information transmission.
  • the video information is transmitted via an information signal such as, for example, a television signal, a digitally modulated signal via a network, or a recorded signal on a magnetic tape, such as VCR (Video Cassette Recorder) or on an optical disc such as a laser disc or digital video disc.
  • the device 21 for transmitting the information signal will transmit the video information signal to the receiving device 23 by the transmission channel 22 .
  • the receiving device 23 reproduces the video signal for the user.
  • the information signal comprises at least a representation of the basic information such as, for example, an analog PAL or NTSC video signal or an MPEG-1 or MPEG-2 digitally encoded and compressed video signal.
  • the information signal comprises a representation of the overlay information encoded by information symbols which symbols may be separately recovered from the basic information.
  • a page of overlay information will be replaced if after a while a next page of overlay information is received.
  • Another option is transmitting the overlay information along with every new image.
  • this is at the cost of much transmission capacity, especially if, for example, subtitles for a plurality of languages are to be transmitted.
  • the symbols may be transmitted along in the form of digital signals during the horizontal or vertical blanking.
  • a separate user data stream may be transmitted by multiplexing, for example, by subdividing the digital data stream into packets and providing them with headers which denote the type of information.
  • the video information is encoded as described in ITU/ISO 13818-2 international standard.
  • ITU/ISO 13818-1 is described how elementary streams of encoded video data are multiplexed together with other encoded data representative of, for example, audio and subtitles into an MPEG-2 program stream.
  • Information of a type not specified by MPEG can be included in ‘private packets’ in a format to be chosen at will.
  • MPEG-2 then distinguishes packets carrying an additional header of a prescribed format as “private stream 1”, and without a prescribed format as “private stream 2”.
  • the subtitles may be included, for example, in private stream 1 packets; these packets may comprise an optional presentation time stamp which denotes the initial presentation time on the television screen. A subtitle will not be replaced until the presentation time of a next subtitle has come.
  • the overlay information comprises time information indicating a duration for which the overlay information is to be displayed on the television screen. Symbols described above intended for the overlay information are included in the information signal, for example, in private packets in a MPEG-2 stream. These packets now contain a time code.
  • FIG. 3 shows in a Table an example of an information signal with a time code according to the invention which can be added to the overlay information to control the display of an overlay page. The available number of bits is given per parameter.
  • a page_start_code denotes the beginning of the page
  • a page_data_length denotes the amount of information of the page and there is room for other control information, for example, the duration 25 .
  • the time code may denote, for example, the duration in seconds (or parts thereof).
  • a different suitable time unit such as the number of frames or the number of units of an available system clock, for example, 90 kHz in MPEG, may also be selected. This duration starts when the overlay information is displayed on the television screen, for example, after the presentation time stamp in MPEG-2.
  • time information may be indicated by a time of removal, which is indicative of the (relative) instant from which the particular overlay information is no longer to be displayed on the television screen.
  • the time information for MPEG-2 may be included, for example, in the extension of the packet header or in the user data.
  • FIG. 4 shows a disc-shaped optically readable information carrier 30 such as a CD or laser disc.
  • the information signal which represents video information to be displayed on a television screen.
  • the video information and the information signal are described with reference to FIGS. 1 and 2 .
  • the overlay information then comprises in a manner described with reference to FIG. 3 time information which is indicative of a duration for which the overlay information is to be displayed on the television screen.
  • FIG. 5 shows a device for receiving video information, such as a satellite receiver or a television signal decoder also referenced set-top-box.
  • the transmitted signal arrives at the receiving means 42 via an aerial 41 (no part of the device) or via a cable connector.
  • the information signal is recovered and fed to combining means 43 in which a video signal is generated from the basic information combined with the overlay information.
  • the information signal is also fed to means 44 for recovering the time information, while these means 44 at the appropriate instants give a command to the combining means 43 to remove the overlay information from the television screen in dependence on the time information.
  • the video signal may be supplied to the user through output 46 .
  • the device also comprises a display 45 on which the image can be reproduced direct.
  • FIG. 6 shows a device for reading an information carrier 30 , such as, for example, a CD.
  • the device comprises scanning means 51 for scanning the track 31 via an optical beam 50 .
  • the device further corresponds to the device of FIG. 5 .
  • the received signal goes to the receiving means 42 and, subsequent thereto, to the combining means 43 and the means 44 for recovering the time codes.
  • the information signal processing has been described with reference to FIG. 5 .
  • FIG. 7 shows a device for transmitting video information such as, for example, a television transmitter.
  • the video information is fed to image generator means 62 ; the basic information is fed through an input 60 and the overlay information through a separate input 61 .
  • the image generator means 62 encode the video information and generate the information signal.
  • Information about the display of overlay information is fed through input 67 to the time code generator means 63 which generates time codes for the duration of the display.
  • the duration may, for example, be predefined and stored in a computer file, but the duration may also be automatically derived from the length of a subtitle or manually by an operator.
  • the generated time codes are added to the overlay information, after which the complete information signal is amplified in the transmitting means 65 to be transmitted via antenna 66 . If subtitle texts for a film are available in two languages, the time code generator means 63 will generate separate time codes for the two languages. In the receiver there may then be selected between no subtitling or subtitling in either language.
  • FIG. 8 shows a device for transmitting video information via information carriers, such as, for example, for CD-ROMs.
  • a master information carrier is made by the device shown. From this master information carrier are then produced a multiplicity of information carriers with a customary process with moulds and presses (not shown).
  • the complete information signal is generated by generator means ( 62 , 63 , 64 ) as described with reference to FIG. 7 .
  • the channel encoding unit 70 encodes the information signal in a manner customary to the disc-shaped carrier and passes this information on to the radiation unit 71 .
  • Radiation unit 71 by means of radiation beam 72 , for example, a high-intensity laser beam, introduces effects on the master information carrier 73 .
  • a system controller of a customary type (not shown) provides the control of the speed of rotation of the disc and the positioning of the radiation unit 71 over the track 31 .
  • a similar device is suitable for recording the information signal on a record carrier which is directly recordable, such as a CD recordable, a VCR tape or an optical tape.
  • the embodiments for devices are not restricted to the examples of FIGS. 5 , 6 , 7 and 8 and comprise any device for receiving and/or transmitting video information while overlay information comprises time information indicating the duration of display.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Radio Relay Systems (AREA)
US10/309,588 1995-07-21 2002-12-04 Method and device for basic and overlay video information transmission Expired - Lifetime US8594204B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/309,588 US8594204B2 (en) 1995-07-21 2002-12-04 Method and device for basic and overlay video information transmission
US13/076,829 US8588312B2 (en) 1995-07-21 2011-03-31 Method and device for information transmission with time information for controlling a period of time for overlay information display
US14/089,169 US20140092137A1 (en) 1995-07-21 2013-11-25 Method of video information transmission, as well as an information carrier, a device for receiving and a device for transmitting video information

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP95202012.1 1995-07-21
EP95202012 1995-07-21
EP95202012 1995-07-21
US51683695A 1995-08-18 1995-08-18
US10/309,588 US8594204B2 (en) 1995-07-21 2002-12-04 Method and device for basic and overlay video information transmission

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
US51683695A Division 1995-07-21 1995-08-18
US51683695A Continuation 1995-07-21 1995-08-18

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/076,829 Continuation US8588312B2 (en) 1995-07-21 2011-03-31 Method and device for information transmission with time information for controlling a period of time for overlay information display
US14/089,169 Division US20140092137A1 (en) 1995-07-21 2013-11-25 Method of video information transmission, as well as an information carrier, a device for receiving and a device for transmitting video information

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US20030117529A1 US20030117529A1 (en) 2003-06-26
US8594204B2 true US8594204B2 (en) 2013-11-26

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US10/309,588 Expired - Lifetime US8594204B2 (en) 1995-07-21 2002-12-04 Method and device for basic and overlay video information transmission
US13/076,829 Expired - Fee Related US8588312B2 (en) 1995-07-21 2011-03-31 Method and device for information transmission with time information for controlling a period of time for overlay information display
US14/089,169 Abandoned US20140092137A1 (en) 1995-07-21 2013-11-25 Method of video information transmission, as well as an information carrier, a device for receiving and a device for transmitting video information

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US13/076,829 Expired - Fee Related US8588312B2 (en) 1995-07-21 2011-03-31 Method and device for information transmission with time information for controlling a period of time for overlay information display
US14/089,169 Abandoned US20140092137A1 (en) 1995-07-21 2013-11-25 Method of video information transmission, as well as an information carrier, a device for receiving and a device for transmitting video information

Country Status (14)

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US (3) US8594204B2 (fr)
EP (1) EP0787404B1 (fr)
JP (2) JP4442929B2 (fr)
KR (1) KR100444637B1 (fr)
CN (3) CN1326398C (fr)
AT (1) ATE213113T1 (fr)
DE (1) DE69619091T2 (fr)
DK (1) DK0787404T3 (fr)
ES (1) ES2172663T3 (fr)
MX (1) MX9702108A (fr)
MY (1) MY121602A (fr)
PT (1) PT787404E (fr)
TW (1) TW293981B (fr)
WO (1) WO1997004591A2 (fr)

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US10893307B2 (en) 2018-06-29 2021-01-12 Alibaba Group Holding Limited Video subtitle display method and apparatus

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US7224404B2 (en) 2001-07-30 2007-05-29 Samsung Electronics Co., Ltd. Remote display control of video/graphics data
US20030142038A1 (en) * 2002-01-31 2003-07-31 General Instrument Corporation Remote markup of a display device using a wireless internet appliance as an electronic canvas
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DE69619091T2 (de) 2002-10-02
US8588312B2 (en) 2013-11-19
PT787404E (pt) 2002-07-31
ES2172663T3 (es) 2002-10-01
US20110234907A1 (en) 2011-09-29
CN1163688A (zh) 1997-10-29
CN1878280A (zh) 2006-12-13
CN1179560C (zh) 2004-12-08
CN1574942A (zh) 2005-02-02
EP0787404B1 (fr) 2002-02-06
DK0787404T3 (da) 2002-05-13
JP4442929B2 (ja) 2010-03-31
CN1326398C (zh) 2007-07-11
EP0787404A2 (fr) 1997-08-06
TW293981B (fr) 1996-12-21
US20140092137A1 (en) 2014-04-03
ATE213113T1 (de) 2002-02-15
DE69619091D1 (de) 2002-03-21
US20030117529A1 (en) 2003-06-26
KR100444637B1 (ko) 2004-11-03
CN1878280B (zh) 2010-10-13
JPH10507607A (ja) 1998-07-21
JP2007228576A (ja) 2007-09-06
JP4443578B2 (ja) 2010-03-31
WO1997004591A2 (fr) 1997-02-06
MX9702108A (es) 1998-04-30
MY121602A (en) 2006-02-28

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